diff --git a/googleads/util.py b/googleads/util.py
index b539c21c..10e07921 100644
--- a/googleads/util.py
+++ b/googleads/util.py
@@ -111,7 +111,7 @@ def ingress(self, envelope, http_headers, operation):
         if 'methodName' not in warn_data:
           warn_data['methodName'] = operation.name
 
-        self._logger.warn('Error summary: %s', warn_data)
+        self._logger.warning('Error summary: %s', warn_data)
 
     return envelope, http_headers